Question

In: Finance

The following three defense stocks are to be combined into a stock index in January 2016...

The following three defense stocks are to be combined into a stock index in January 2016 (perhaps a portfolio manager believes these stocks are an appropriate benchmark for his or her performance):

Price
Shares
(millions)
1/1/16 1/1/17 1/1/18
Douglas McDonnell 215 $ 64 $ 68 $ 82
Dynamics General 455 72 64 78
International Rockwell 250 101 90 106

a. Calculate the initial value of the index if a price-weighting scheme is used.

b. What is the rate of return on this index for the year ending December 31, 2016? For the year ending December 31, 2017? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.)

Solutions

Expert Solution

(a)-Initial Value of the index if a price-weighting scheme is used

Initial Value of the index = Average of the Price on 1/1/16

= [$64 + $72 + $101] / 3

= $237 / 3

= $79

“Initial Index = $79.00”

(b)- Rate of return on this index for the year ending December 31, 2016 & for the year ending December 31, 2017

Rate of return on this index for the year ending December 31, 2017

Average Index Value on 01/01/2016 = $79

Average Index Value on 01/01/2017 = $74 [($68 + $64 + $90) / 3]

Therefore, the Rate of Return = [(Average Index Value on 01/01/2017 - Average Index Value on 01/01/2016) / Average Index Value on 01/01/2016] x 100

= [($74 - $79) / $74] x 100

= [-$5 / $79] x 100

= -6.33% (Negative)

Rate of return on this index for the year ending December 31, 2017

Average Index Value on 01/01/2017 = $74

Average Index Value on 01/01/2018 = $88.67 [($82 + $78 + $106) / 3]

Therefore, the Rate of Return = [(Average Index Value on 01/01/2018 - Average Index Value on 01/01/2017) / Average Index Value on 01/01/2017] x 100

= [($88.67 - $74) / $74] x 100

= [$14.67 / $74] x 100

= 19.82%

FINAL ANSWER

Rate of return on this index for the year ending December 31, 2016 = -6.33% (Negative)

Rate of return on this index for the year ending December 31, 2017 = 19.82%


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